From 565505abd4f4fe6aec3ac3a8c12f1b55018cb4d3 Mon Sep 17 00:00:00 2001
From: Kjell Ericson <kjell@haxx.se>
Date: Mon, 27 Jan 2003 14:37:03 +0000
Subject: Added a "cursor"-function for the keyvoard.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3171 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/drivers/lcd-player.c | 35 ++++++++++++++++++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

(limited to 'firmware/drivers/lcd-player.c')

diff --git a/firmware/drivers/lcd-player.c b/firmware/drivers/lcd-player.c
index 0ca551c63a..a03b1b024c 100644
--- a/firmware/drivers/lcd-player.c
+++ b/firmware/drivers/lcd-player.c
@@ -72,6 +72,17 @@ struct scrollinfo {
     int direction; /* +1 for right or -1 for left*/
 };
 
+#define MAX_CURSOR_CHARS 8
+struct cursorinfo {
+  int len;
+  char text[MAX_CURSOR_CHARS];
+  int textpos;
+  int y_pos;
+  int x_pos;
+  int divider;
+  int downcount;
+} cursor;
+
 static void scroll_thread(void);
 static char scroll_stack[DEFAULT_STACK_SIZE];
 static char scroll_name[] = "scroll";
@@ -265,6 +276,7 @@ void lcd_clear_display(void)
     bool update=false; 
     DEBUGF("lcd_clear_display()\n");
     lcd_stop_scroll();
+    cursor.len=0; /* Stop cursor */
     for (i=0;i<22;i++)
       update|=lcdx_putc(i%11, i/11, ' ');
     if (update)
@@ -301,6 +313,18 @@ void lcd_puts(int x, int y, unsigned char *string)
     return lcd_puts_cont_scroll(x, y, string);
 }
 
+void lcd_put_cursor(int x, int y, char cursor_char)
+{
+  cursor.text[0]=buffer_xlcd[x][y];
+  cursor.text[1]=cursor_char;
+  cursor.len=2;
+  cursor.textpos=0;
+  cursor.y_pos=y;
+  cursor.x_pos=x;
+  cursor.downcount=0;
+  cursor.divider=4;
+}
+
 void lcd_putc(int x, int y, unsigned short ch)
 {
     bool update;
@@ -573,7 +597,16 @@ static void scroll_thread(void)
                     lcd_puts_cont_scroll(s->startx, s->starty, buffer);
                 }
             }
-
+            if (cursor.len>0) {
+              if (cursor.downcount--<0) {
+                cursor.downcount=cursor.divider;
+                cursor.textpos++;
+                if (cursor.textpos>=cursor.len)
+                  cursor.textpos=0;
+                update|=lcdx_putc(cursor.x_pos, cursor.y_pos,
+                                  cursor.text[cursor.textpos]);
+              }
+            }
             if (update) {
                 lcd_update();
             }
-- 
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